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<div class="title">ysharedmemory.hpp</div>  </div>
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<a href="ysharedmemory_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * @Description: </span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * @Author: Sky</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * @Date: 2019-11-29 11:35:54</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * @LastEditors: Sky</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * @LastEditTime: 2020-07-14 18:20:24</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * @FilePath: \yLib\include\core\ysharedmemory.hpp</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * @Github: https://github.com/flyinskyin2013/yLib</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef __YLIB_IPC_YSHAREDMEMORY_HPP__</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define __YLIB_IPC_YSHAREDMEMORY_HPP__</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">    #pragma warning(disable:4067) //warning C4067: 预处理器指令后有意外标记 - 应输入换行符</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">    #pragma warning(disable:4251) //warning C4251: xxxxx需要有dll接口由xxxx的客户端使用</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#endif //_WIN32</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &lt;windows.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#ifndef UNICODE</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#define _STD_STRING_ string</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#define _STD_STRING_ wstring</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#endif //UNICODE</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#elif __linux__ || __linux</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160; </div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#endif//__cplusplus</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &lt;sys/types.h&gt;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#include &lt;sys/shm.h&gt;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor">#include &lt;sys/ipc.h&gt;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#include &lt;errno.h&gt;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;}</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#endif//__cplusplus</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">#define _STD_STRING_ string</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="preprocessor">#elif __unix__ || __unix</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160; </div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor">#endif //_WIN32</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160; </div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="ycommon_8hpp.html">core/ycommon.hpp</a>&quot;</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="ylog_8hpp.html">utility/ylog.hpp</a>&quot;</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceyLib.html">yLib</a> {</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160; </div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classyLib_1_1ySharedMemory.html">   64</a></span>&#160;    <span class="keyword">class </span>__YLIB_EXPORT__ <a class="code" href="classyLib_1_1ySharedMemory.html">ySharedMemory</a></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    {</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classyLib_1_1ySharedMemory.html#a8449c7068dfe5fadcddad58719a61d92">   67</a></span>&#160;        <a class="code" href="classyLib_1_1ySharedMemory.html#a8449c7068dfe5fadcddad58719a61d92">ySharedMemory</a>() {}</div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classyLib_1_1ySharedMemory.html#ad5e5332d05d208d09356dceab295798a">   68</a></span>&#160;        <a class="code" href="classyLib_1_1ySharedMemory.html#ad5e5332d05d208d09356dceab295798a">~ySharedMemory</a>() {}</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160; </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160; </div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        uint32_t InitSharedMemory(uint32_t mem_key, uint64_t mem_size, std::_STD_STRING_ mem_name = <span class="stringliteral">&quot;DefaultySharedMemory&quot;</span>);</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        uint32_t AttacheSharedMemory(<span class="keywordtype">void</span> ** shm_addr);</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        uint32_t DetacheSharedMemory(<span class="keywordtype">void</span> * shm_addr);</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        uint32_t DestroySharedMemory(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <span class="keyword">private</span>:</div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classyLib_1_1ySharedMemory.html#a2d5c29ef0cc87cf4c464316288a8b5b2">   76</a></span>&#160;        <span class="keywordtype">bool</span> shm_is_ready = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classyLib_1_1ySharedMemory.html#a9563e839c7e90333c49337068bd281c3">   77</a></span>&#160;        <span class="keywordtype">int</span> cur_shm_id = 0;</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160; </div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160; </div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        HANDLE hMapFile;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="preprocessor">#endif //_WIN32</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160; </div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    };</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;}</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160; </div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160; </div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160; </div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="preprocessor">#endif //__YLIB_IPC_YSHAREDMEMORY_HPP__</span></div>
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<div class="ttc" id="aclassyLib_1_1ySharedMemory_html_a8449c7068dfe5fadcddad58719a61d92"><div class="ttname"><a href="classyLib_1_1ySharedMemory.html#a8449c7068dfe5fadcddad58719a61d92">yLib::ySharedMemory::ySharedMemory</a></div><div class="ttdeci">ySharedMemory()</div><div class="ttdef"><b>Definition:</b> ysharedmemory.hpp:67</div></div>
<div class="ttc" id="aylog_8hpp_html"><div class="ttname"><a href="ylog_8hpp.html">ylog.hpp</a></div></div>
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<div class="ttc" id="aclassyLib_1_1ySharedMemory_html"><div class="ttname"><a href="classyLib_1_1ySharedMemory.html">yLib::ySharedMemory</a></div><div class="ttdef"><b>Definition:</b> ysharedmemory.hpp:65</div></div>
<div class="ttc" id="anamespaceyLib_html"><div class="ttname"><a href="namespaceyLib.html">yLib</a></div><div class="ttdoc">This is a top namespace in yLib.</div><div class="ttdef"><b>Definition:</b> ylinuxerrnohelper.cpp:28</div></div>
<div class="ttc" id="aclassyLib_1_1ySharedMemory_html_ad5e5332d05d208d09356dceab295798a"><div class="ttname"><a href="classyLib_1_1ySharedMemory.html#ad5e5332d05d208d09356dceab295798a">yLib::ySharedMemory::~ySharedMemory</a></div><div class="ttdeci">~ySharedMemory()</div><div class="ttdef"><b>Definition:</b> ysharedmemory.hpp:68</div></div>
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